Zero. 90 mg caffeine. 2510 mcg antioxidants. Certified organic. Powered by Guayusa. Fair Trade Certified ingredient. Guayusa (gwhy-you-sa) is a native Amazonian super leaf that has no tannins, creating a surprisingly smooth and clean taste without sugar or artificial sweeteners. Guayusa gives you clean energy by balancing as much caffeine as a cup of coffee with a high antioxidant ORAC value. I